re PR target/86779 (Cris port needs updating for CVE-2017-5753)

	PR target/86779
	* config/cris/cris.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine
	to speculation_safe_value_not_needed.

From-SVN: r264134

gcc/ChangeLog

+2018-09-06  Hans-Peter Nilsson  <hp@axis.com>
+
+	PR target/86779
+	* config/cris/cris.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Redefine
+	to speculation_safe_value_not_needed.
+
 2018-09-05  Cesar Philippidis  <cesar@codesourcery.com>
 	    Bernd Schmidt  <bernds_cb1@t-online.de>
 

gcc/config/cris/cris.c

@@ -248,6 +248,9 @@ int cris_cpu_version = CRIS_DEFAULT_CPU_VERSION;
 #undef TARGET_ATOMIC_ALIGN_FOR_MODE
 #define TARGET_ATOMIC_ALIGN_FOR_MODE cris_atomic_align_for_mode
 
+#undef TARGET_HAVE_SPECULATION_SAFE_VALUE
+#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed
+
 #undef TARGET_STRUCT_VALUE_RTX
 #define TARGET_STRUCT_VALUE_RTX cris_struct_value_rtx
 #undef TARGET_SETUP_INCOMING_VARARGS